726/725

726/725, the joellisma is a 29-limit superparticular comma measuring about 2.39 cents. It forms the difference between two 11/10s and 29/24. By tempering it out is defined the joellismic temperament, which enables the joellismic chords.

Interval information

Ratio	726/725
Subgroup monzo	2.3.5.11.29 [1 1 -2 2 -1⟩
Size in cents	2.386264¢
Name	joellisma
Color name	29u1oogg1, twenubilogu 1sn, Twenubilogu comma
FJS name	[math]\displaystyle{ \text{d1}^{11,11}_{5,5,29} }[/math]
Special properties	superparticular, reduced
Tenney norm (log2 nd)	19.0057
Weil norm (log2 max(n, d))	19.0077
Wilson norm (sopfr(nd))	66
Comma size	unnoticeable
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Etymology

The name joellisma was named by Xenllium in 2025. It refers to 726 Joëlla, the asteroid. Which was in turn named after Joel Hastings Metcalf, an American astronomer.

See also

• Unnoticeable comma
• List of superparticular intervals